大约有 44,900 项符合查询结果（耗时：0.0533秒） [XML]
How do you match only valid roman numerals with a regular expression?
...mple:
0: <empty> matched by M{0}
1000: M matched by M{1}
2000: MM matched by M{2}
3000: MMM matched by M{3}
4000: MMMM matched by M{4}
You could, of course, use something like M* to allow any number (including zero) of thousands, if you want to allow bigger numbers...
How to enable mod_rewrite for Apache 2.2
I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite.
15 Answers
...
ImportError: No module named pip
OS: Mac OS X 10.7.5
Python Ver: 2.7.5
16 Answers
16
...
What is the difference between the | and || or operators?
...
12 Answers
12
Active
...
Unresolved Import Issues with PyDev and Eclipse
...
132
In the properties for your pydev project, there's a pane called "PyDev - PYTHONPATH", with a sub...
Is there common street addresses database design for all addresses of the world? [closed]
...
12 Answers
12
Active
...
Adding a parameter to the URL with JavaScript
...
32 Answers
32
Active
...
Get the key corresponding to the minimum value within a dictionary
...
622
Best: min(d, key=d.get) -- no reason to interpose a useless lambda indirection layer or extract...
Maximum single-sell profit
...
288
I love this problem. It's a classic interview question and depending on how you think about i...